11021122121011 has 8 divisors (see below), whose sum is σ = 11029993499520. Its totient is φ = 11012251122048.

The previous prime is 11021122120933. The next prime is 11021122121047. The reversal of 11021122121011 is 11012122112011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11021122121011 - 2¹⁵ = 11021122088243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021122121311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100019595 + ... + 100129723.

It is an arithmetic number, because the mean of its divisors is an integer number (1378749187440).

Almost surely, 2^{11021122121011} is an apocalyptic number.

11021122121011 is a deficient number, since it is larger than the sum of its proper divisors (8871378509).

11021122121011 is a wasteful number, since it uses less digits than its factorization.

11021122121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189773.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11021122121011 its reverse (11012122112011), we get a palindrome (22033244233022).

The spelling of 11021122121011 in words is "eleven trillion, twenty-one billion, one hundred twenty-two million, one hundred twenty-one thousand, eleven".